<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title> test </title>
</head>
<body>
服务器异常，请稍等，等待管理员处理。。。<br/>
${ex}
</body>
</html>
